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PTS
週一 22 4月, 2019 10:24
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 April 22 Sun - Spotless Sun
回覆: 0
觀看: 14

2019 April 22 Sun - Spotless Sun

2019 April 22 Sun - Spotless Sun

Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4
focal length : 600 mm f/4 (35-mm equivalent)
Filter: Baader Solar Film 5.0
ISO: 100
images cropped 1000x1000
approximately north is up, east to the left
PTS
週日 21 4月, 2019 10:50
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 April 21 Sun - AR12739
回覆: 0
觀看: 26

2019 April 21 Sun - AR12739

2019 April 21 Sun - AR12739

Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4
focal length : 600 mm f/4 (35-mm equivalent)
Filter: Baader Solar Film 5.0
ISO: 100
images cropped 1000x1000
approximately north is up, east to the left
PTS
週日 21 4月, 2019 09:55
版面: 天文攝影 Astrophotography
主題: Moon, 20 Apr 2019 AM
回覆: 1
觀看: 28

Re: Moon, 20 Apr 2019 AM

:D :D
PTS
週五 19 4月, 2019 11:57
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 April 19 Sun - AR12378 and AR12379
回覆: 3
觀看: 67

2019 April 19 Sun - AR12378 and AR12379

2019 April 19 Sun - AR12378 and AR12379

Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4
focal length : 600 mm f/4 (35-mm equivalent)
Filter: Baader Solar Film 5.0
ISO: 100
images cropped 1000x1000
approximately north is up, east to the left
PTS
週四 18 4月, 2019 13:51
版面: 業餘天文研究專區 Amateur Astronomers' Research Area
主題: Asteroid occultation event on 2019 June 14
回覆: 0
觀看: 29

Asteroid occultation event on 2019 June 14

Asteroid occultation event on 2019 June 14 I've prepared finder charts from: Digital Sky Survey (15 x 15 arcmin) and The Sky 6 (15x11 arcmin) --------------------------------------------------------------------------------------------------- IOTA/IOTA-ES occultation update for (1) Ceres / TYC 6205-0...
PTS
週四 18 4月, 2019 13:39
版面: 業餘天文研究專區 Amateur Astronomers' Research Area
主題: Asteroid occultation event on 2019 June 04
回覆: 0
觀看: 11

Asteroid occultation event on 2019 June 04

Asteroid occultation event on 2019 June 04 I've prepared finder charts from: Digital Sky Survey (15 x 15 arcmin) and The Sky 6 (15x11 arcmin) --------------------------------------------------------------------------------------------------- IOTA/IOTA-ES occultation update for (806) Gyldenia / UCAC4...
PTS
週四 18 4月, 2019 13:20
版面: 業餘天文研究專區 Amateur Astronomers' Research Area
主題: Asteroid occultation event on 2019 May 20
回覆: 0
觀看: 17

Asteroid occultation event on 2019 May 20

Asteroid occultation event on 2019 May 20 I've prepared finder charts from: Digital Sky Survey (15 x 15 arcmin) and The Sky 6 (15x11 arcmin) --------------------------------------------------------------------------------------------------- IOTA/IOTA-ES occultation update for (326) Tamara / TYC 0283...
PTS
週三 17 4月, 2019 23:06
版面: 天文攝影 Astrophotography
主題: 2019 April 17 Moon
回覆: 2
觀看: 78

2019 April 17 Moon

2019 April 17 Moon

Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4
focal length : 600 mm f/4 (35-mm equivalent)
ISO: 200
exposure : 1 ms
Taken at : 14:31:32 UTC
images cropped 1000x1000
approximately north is up, east to the left
PTS
週三 17 4月, 2019 19:38
版面: 天文攝影 Astrophotography
主題: 2019 April 17 - Rigel A+(B+C) at Hokoon
回覆: 1
觀看: 29

2019 April 17 - Rigel A+(B+C) at Hokoon

2019 April 17 - Rigel A+(B+C) at Hokoon

Telescope: 50-cm RC reflector, f/8
Camera: ASI 1600MM Pro, cooled to 15C
Taken at 11:00:24 UTC
Exposure: 125 ms
south is up, east to the left
PTS
週三 17 4月, 2019 19:37
版面: 天文攝影 Astrophotography
主題: 2019 April 17 - Sirius A+B at Hokoon
回覆: 1
觀看: 30

2019 April 17 - Sirius A+B at Hokoon

2019 April 17 - Sirius A+B at Hokoon

Telescope: 50-cm RC reflector, f/8
Camera: ASI 1600MM Pro, cooled to 15C
Taken at 11:09:16 UTC
Exposure: 200 ms
south is up, east to the left
PTS
週三 17 4月, 2019 12:43
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 April 17 Sun
回覆: 1
觀看: 31

2019 April 17 Sun

2019 April 17 Sun

Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4
focal length : 600 mm f/4 (35-mm equivalent)
Filter: Baader Solar Film 5.0
ISO: 100
images cropped 1000x1000
approximately north is up, east to the left
PTS
週二 16 4月, 2019 21:10
版面: 天文攝影 Astrophotography
主題: 2019 April 16 Moon
回覆: 1
觀看: 49

2019 April 16 Moon

2019 April 16 Moon

Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4
focal length : 600 mm f/4 (35-mm equivalent)
ISO: 200
images cropped 1000x1000
approximately north is up, east to the left
PTS
週二 16 4月, 2019 16:24
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 April 16 Sun
回覆: 2
觀看: 41

2019 April 16 Sun

2019 April 16 Sun

Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4
focal length : 600 mm f/4 (35-mm equivalent)
Filter: Baader Solar Film 5.0
ISO: 100
images cropped 1000x1000
approximately north is up, east to the left
PTS
週四 11 4月, 2019 10:07
版面: 太陽觀測和攝影 Solar Observation & Photography
主題: 2019 April 11 Sun
回覆: 1
觀看: 71

2019 April 11 Sun

2019 April 11 Sun

Camera/lens: Sony RX10 IV, Zeiss Sonnar 8.8-220 mm f/2.4-4
focal length : 600 mm f/4 (35-mm equivalent)
Filter: Baader Solar Film 5.0
ISO: 100
images cropped 1000x1000
approximately north is up, east to the left

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